The WATTS FLUIDAIR 398H354376 fan PSI switch is designed for precise pressure monitoring in DRD125-175 systems. This switch features a robust construction that ensures durability and reliable performance in demanding environments. It is engineered to operate within specific pressure ranges, making it ideal for HVAC and fluid management applications. The compact design allows for easy installation, while compliance with industry standards guarantees optimal safety and efficiency. This fan PSI switch is essential for maintaining system performance and preventing pressure-related issues.